Finding the Fourth Proportional to 79,916.43, 110,278.80 and 45,924.99
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Solution
The fourth proportional to 79,916.43, 110,278.80 and 45,924.99 is: 63,373.10
Step by Step Solution
- Step 1: Write the proportion equation
79,916.43 : 110,278.80 = 45,924.99 : x - Step 2: Convert to fraction form
79,916.43/110,278.80 = 45,924.99/x - Step 3: Cross multiply
79,916.43x = 110,278.80 × 45,924.99 - Step 4: Simplify right side
79,916.43x = 5,064,552,373.67 - Step 5: Solve for x
x = 5,064,552,373.67/79,916.43 - Step 6: Final answer
x = 63,373.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.